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• avcodec/dovi_rpuenc : add ff_dovi_rpu_generate()

  30 mars 2024, par Niklas Haas

  avcodec/dovi_rpuenc : add ff_dovi_rpu_generate()
  This function takes a decoded AVDOVIMetadata struct and turns it back
  
  into a binary RPU. Verified using existing tools, and matches the
  
  bitstream in official reference files.
  I decided to just roll the EMDF and NAL encapsulation into this function
  
  because the end user will need to do it otherwise anyways.
  

  • [DH] libavcodec/dovi_rpu.h
  • [DH] libavcodec/dovi_rpuenc.c

• Cannot install ffmpeg [closed]

  22 mai 2022, par Ashok M

  I'm trying to learn video processing using Python. For that, I tried installing one of two packages using Homebrew : ffmpeg and ImageMagick. After upgrading and updating Homebrew, I ran the command : brew update && brew install ffmpeg. Below is the error I got before some downloads started :

  


  ERROR :

  


  xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun


  


  After all downloads completed, another error came up as shown below :

  


  Error: python@3.9: the bottle needs the Apple Command Line Tools to be installed.
  You can install them, if desired, with:
    xcode-select --install
You can try to install from source with:
  brew install --build-from-source python@3.9
Please note building from source is unsupported. You will encounter build
failures with some formulae. If you experience any issues please create pull
requests instead of asking for help on Homebrew's GitHub, Twitter or any other
official channels.


  


  I'm on MacOSx with Python 10.4 installed. Don't if that's making any difference to the installation. Thanks for any help.

  


• Downloading individual songs from YouTube playlist [closed]

  23 août 2024, par user26961371
  

  • I've created a custom script using yt-dlp.

  


  • The script takes a single argument, which is the actual playlist URL.

  


  • I'm using the following command :

  


  


  yt-dlp --extract-audio --audio-format mp3 --yes-playlist -o "/Users/$USER/Desktop/%(id)s.%(ext)s" --embed-chapters $1


  


  Try :
I've run the command with a valid playlist URL, but it's downloading each song from the playlist into a single MP3 file for each song. I want to download each song as an individual file, not the entire playlist in a single file 15 times.

  


  Expectation :
I expect yt-dlp to download each song from the playlist as a separate MP3 file, rather than combining all songs into a single MP3 file for each song.

  


  Context :
The issue is likely due to the use of the --yes-playlist option, which tells yt-dlp to treat the input as a playlist URL and download all songs in one go.
I've checked the official documentation for yt-dlp, but I couldn't find a solution.